U.S. Navy hospital ship Comfort departs from Manhattan of New York, the United States, April 30, 2020. U.S. Navy hospital ship Comfort left New York City on Thursday. It arrived in NYC on March 30 to help ease pressure on city hospitals amid the COVID-19 pandemic. (Photos: Xinhua)

U.S. Navy hospital ship Comfort departs from Manhattan of New York, the United States, April 30, 2020. U.S. Navy hospital ship Comfort left New York City on Thursday. It arrived in NYC on March 30 to help ease pressure on city hospitals amid the COVID-19 pandemic.

U.S. Navy hospital ship Comfort departs from Manhattan of New York, the United States, April 30, 2020. U.S. Navy hospital ship Comfort left New York City on Thursday. It arrived in NYC on March 30 to help ease pressure on city hospitals amid the COVID-19 pandemic.

U.S. Navy hospital ship Comfort departs from Manhattan of New York, the United States, April 30, 2020. U.S. Navy hospital ship Comfort left New York City on Thursday. It arrived in NYC on March 30 to help ease pressure on city hospitals amid the COVID-19 pandemic.